html,
body {
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    overflow-y: hidden;
}

#paper {
    width: inherit;
    display: block;
    border: 0;
    margin-bottom: 3px;
    text-align: center;
    background: #464a65;
}
#paper>svg {
    overflow: visible;
}
.connection,
.connection-wrap {
    stroke: #ccc0ef;
}
